<input type="hidden" name="file" value="{FILE}">
<p>Copy file '{FILE}' to:<br>
-{DIR} <input type="text" name="newfile"></p>
+{DIR} <input type="text" name="newfile"> <input type="checkbox" name="confirmed" id="overwrite"><label for="overwrite">Overwrite existing file</label></p>
<p><input type="submit" value="Copy file!"></p>
</form>
<input type="hidden" name="file" value="{FILE}">
<p>Move/Rename file '{FILE}' to:<br>
-{DIR} <input type="text" name="newfile"></p>
+{DIR} <input type="text" name="newfile"> <input type="checkbox" name="confirmed" id="overwrite"><label for="overwrite">Overwrite existing file</label></p>
<p><input type="submit" value="Move/Rename file!"></p>
</form>